227644342 has 4 divisors (see below), whose sum is σ = 341466516. Its totient is φ = 113822170.

The previous prime is 227644337. The next prime is 227644343. The reversal of 227644342 is 243446722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243446722 = 2 ⋅121723361.

It is a super-2 number, since 2×227644342² = 103643892889225928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 227644298 and 227644307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227644343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56911084 + ... + 56911087.

It is an arithmetic number, because the mean of its divisors is an integer number (85366629).

Almost surely, 2^227644342 is an apocalyptic number.

227644342 is a deficient number, since it is larger than the sum of its proper divisors (113822174).

227644342 is a wasteful number, since it uses less digits than its factorization.

227644342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113822173.

The product of its digits is 64512, while the sum is 34.

The square root of 227644342 is about 15087.8872609786. The cubic root of 227644342 is about 610.5936547981.

The spelling of 227644342 in words is "two hundred twenty-seven million, six hundred forty-four thousand, three hundred forty-two".